Detail publikačního výsledku

Atmospheric Effects on Availability of Free Space Optics Systems

PROKEŠ, A.

Originální název

Atmospheric Effects on Availability of Free Space Optics Systems

Anglický název

Atmospheric Effects on Availability of Free Space Optics Systems

Druh

Článek WoS

Originální abstrakt

In the paper, the availability of free space optics (FSO) systems in dependence on weather conditions and on FSO link parameters such as transmitted optical power, beam divergence, receiver sensitivity or link path distance is discussed. A number of phenomena in the atmosphere such as absorption, scattering and turbulence can affect beam attenuation, but in the case of wavelengths typical of FSO systems operation only scattering and turbulence are appropriate to be taken into consideration. In the present work, the power loss caused by turbulence is modeled by using the Rytov scintillation theory. Attenuation due to scattering, which can be expressed as a function of the link distance, wavelength and meteorological visibility, is calculated from visibility data collected at several airports in Europe. Statistical evaluation of the attenuation caused by scattering and the power link margin calculated from FSO link parameters are used for calculating the link availability.

Anglický abstrakt

In the paper, the availability of free space optics (FSO) systems in dependence on weather conditions and on FSO link parameters such as transmitted optical power, beam divergence, receiver sensitivity or link path distance is discussed. A number of phenomena in the atmosphere such as absorption, scattering and turbulence can affect beam attenuation, but in the case of wavelengths typical of FSO systems operation only scattering and turbulence are appropriate to be taken into consideration. In the present work, the power loss caused by turbulence is modeled by using the Rytov scintillation theory. Attenuation due to scattering, which can be expressed as a function of the link distance, wavelength and meteorological visibility, is calculated from visibility data collected at several airports in Europe. Statistical evaluation of the attenuation caused by scattering and the power link margin calculated from FSO link parameters are used for calculating the link availability.

Klíčová slova

free space optics, link budget, atmospheric attenuation, link availability, meteorological visibility, scattering, scintillation.

Klíčová slova v angličtině

free space optics, link budget, atmospheric attenuation, link availability, meteorological visibility, scattering, scintillation.

Autoři

PROKEŠ, A.

Rok RIV

2010

Vydáno

30.06.2009

Nakladatel

SPIE

Místo

Bellingham, WA, USA

ISSN

0091-3286

Periodikum

OPTICAL ENGINEERING

Svazek

48

Číslo

6

Stát

Spojené státy americké

Strany od

1

Strany do

12

Strany počet

12

BibTex

@article{BUT48422,
  author="Aleš {Prokeš}",
  title="Atmospheric Effects on Availability of Free Space Optics Systems",
  journal="OPTICAL ENGINEERING",
  year="2009",
  volume="48",
  number="6",
  pages="1--12",
  issn="0091-3286"
}